1. COMPUTER INTERFACING

 

• Interfacing for Acquisition of Signals from Sensors and Generation of Signals for Actuators

 

• Used by Computers, PLC’s, PID Controllers, etc.

 

• Computers are designed to handle both input and output (I/O) data

 

• Two main types of data I/O for computers

• Analog

• Digital

 

 

 

1.1 DIGITAL SIGNALS

1.2 ANALOG SIGNALS

1.3 TIMING

1.4 DISPLAYS